/**一些初始化*/
body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td{margin:0;padding:0;}
table{border-collapse:collapse;border-spacing:0;}
fieldset,img{border:0;}
address,caption,cite,code,dfn,em,strong,th,var{font-style:normal;font-weight:normal;}
ol,ul{list-style:none;}
caption,th{text-align:left;}
h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:normal;}
q:before,q:after{content: '';}
abbr,acronym{border:0;}
body{color:#666; background-color:#fff;font: 12px/1.5 '΢���ź�',tahoma,arial,'Hiragino Sans GB',����,sans-serif;}
.clearfix:after {visibility:hidden;display:block;font-size:0;content:" ";clear:both;height:0;}
.clearfix {zoom:1;}

/*****   轮播广告  *******/
.rollad{
    width: 800px;
    height: 850px;
    margin: 50px auto;
    position: relative;
    border: 1px solid red;
}
.rollad .roll-list{
    width: 800px;
    height: 250px;

     border: 1px solid green;
}
.rollad .roll-list .roll-item{
    width: 520px;
    height: 220px;
    position: absolute;
    top: 10px;
    left: 140px;

    border: 1px solid green;
}

.rollad .roll-btn{
    width: 100%;
    height: 70px;
    position: absolute;
    top: 80px;
    z-index: 22;
    display: none;
}
.rollad .roll-btn img{
    width: 30px;
    height: 68px;
    display: block;
}
.rollad .roll-btn .roll-prev-btn{
  float: left;
}
.rollad .roll-btn .roll-next-btn{
    float: right;
}